package com.example.experiment1;


import org.springframework.boot.CommandLineRunner;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.Arrays;

@RestController
public class HelloController {

    @RequestMapping("/")
    public String index(  ){
        return " 你好，spring boot! ";
    }
    @Bean
    public CommandLineRunner commandLineRunner(ApplicationContext ctx){
        return args -> {
            System.out.println("由spring boot注册的所有bean：");
            String[] beanNames = ctx.getBeanDefinitionNames();
            Arrays.sort(beanNames);
            for (String beanName : beanNames){
                System.out.println(beanName);
            }
        };
    }
}
